Wet/dry floor cleaning unit and method of cleaning
US6832409B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2001 |
| Grant date | Dec 21, 2004 |
| Priority date | — |
| Expiry date | Jun 1, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/34
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.